Trade - From today onwards I am a Highschool Girl / TRADE~俺は今日から女子高生~
Rank: 1347th, it has 783 monthly / 19089 total views.
Authors: Ayaka morita / Oshiduki
Genres: Manga / Comedy / Ecchi / Gender bender / Supernatural
Status: Ongoing
Summary:
1st Place on National Manga Grand Prix in original work category.
a hikikomori boy who supposed to die from traffic accident suddenly turned into really beautiful high school girl whose her grade always at top position and also good at sport. Although his life has changed completely suddenly before her/him a man who had deep connection with him appeared.

http://comic-earthstar.jp/detail/trade/